CN115180972B - 一种轻质污水处理材料的制备方法 - Google Patents
一种轻质污水处理材料的制备方法 Download PDFInfo
- Publication number
- CN115180972B CN115180972B CN202211098615.3A CN202211098615A CN115180972B CN 115180972 B CN115180972 B CN 115180972B CN 202211098615 A CN202211098615 A CN 202211098615A CN 115180972 B CN115180972 B CN 115180972B
- Authority
- CN
- China
- Prior art keywords
- ceramsite
- sewage treatment
- drying
- treatment material
- soaking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/068—Carbonaceous materials, e.g. coal, carbon, graphite, hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3214—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
- B01J20/3225—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating involving a post-treatment of the coated or impregnated product
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/606—Drying
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6565—Cooling rate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
本发明公开了一种轻质污水处理材料的制备方法,属于污水处理材料技术领域,所述制备方法由以下步骤组成:制备陶粒,制备包裹浆料,包裹处理;所述包裹处理,将陶粒置于浸泡液中浸泡后,取出陶粒,冷冻处理后,加入包裹浆料中浸泡,然后取出陶粒,置于60‑65℃下干燥15‑17min,100‑110℃下干燥15‑17min,60‑65℃下干燥10‑12min,100‑110℃下干燥30‑32min,得到轻质污水处理材料;本发明能够在提高轻质污水处理材料的强度、耐酸碱性的同时,避免在储存和运输中发生团聚及在使用中发生沉降,降低表观密度,提高在高温和低温下的污水处理效果。
Description
技术领域
本发明涉及污水处理材料技术领域,具体涉及一种轻质污水处理材料的制备方法。
背景技术
污水处理为使污水达到排入某一水体或再次使用的水质要求,对其进行净化的过程,被广泛应用于建筑、农业、交通、能源、石化、环保、城市景观、医疗、餐饮等各个领域,随着污染日益严重,污水处理变得越来越重要。污水处理按照其作用可分为物理法、生物法和化学法三种,物理法为利用物理作用分离污水中的非溶解性物质的方法,在处理过程中不改变污水中的非溶解性物质的化学性质;生物法为采取一定的人工措施,创造有利于微生物生长、繁殖的环境,使微生物大量增殖,微生物能够对有机污染物进行氧化、分解,从而使污水得以净化的方法;化学法为向污水投加化学物质,利用化学反应来分离回收污水中的污染物的方法;其中,物理法因操作方便、成本低、不产生二次污染,被广泛应用于污水处理领域。
污水处理材料主要是指通过物理法进行污水处理的材料,目前最常用的污水处理材料有石英砂滤料、无烟煤滤料、聚合氯化铝、活性炭、蜂窝斜管填料、纤维球滤料等,轻质污水处理材料是指表观密度小的多孔污水吸附材料,由于质量轻、比表面积大、吸附能力强、孔隙度高,目前被广泛应用于污水处理领域。
现有的轻质污水处理材料存在强度低、耐酸碱性差的缺点,为了解决上述缺点,目前最常用的方法为对轻质污水处理材料进行负载或者浸渍改性,但是负载或者浸渍改性后,会影响轻质污水处理材料的表观密度及在高温和低温下的污水处理效果,而且还容易在储存和运输中发生团聚及在使用中发生沉降;目前,还没有能够在提高轻质污水处理材料的强度、耐酸碱性的同时,避免在储存和运输中发生团聚及在使用中发生沉降,降低表观密度,提高在高温和低温下污水处理效果的方法。
发明内容
针对现有技术存在的不足,本发明提供了一种轻质污水处理材料的制备方法,能够在提高轻质污水处理材料的强度、耐酸碱性的同时,避免在储存和运输中发生团聚及在使用中发生沉降,降低表观密度,提高在高温和低温下的污水处理效果。
为解决以上技术问题,本发明采取的技术方案如下:
一种轻质污水处理材料的制备方法,由以下步骤组成:制备陶粒,制备包裹浆料,包裹处理。
所述制备陶粒,分别将硅藻土、煤矸石、矿渣、膨胀石墨粉碎至粒度为0.07-0.09mm后,得到粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨;然后将粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨加入搅拌机中,控制搅拌机的转速为40-60rpm,搅拌5-7min后,加入水,继续搅拌7-8min,得到混合原料;将混合原料加入造球机中进行造球,控制造球机的出料粒度为18-22mm,造球结束得到初级球料;将初级球料置于50-55℃下干燥1.5-2h,然后置于100-105℃下干燥1.5-2h,得到干燥后的初级球料;然后将干燥后的初级球料置于焙烧炉中,以8-10℃/min的升温速度升温至500-520℃,在500-520℃下焙烧25-30min,然后以11-13℃/min的升温速度升温至1250-1300℃,在1250-1300℃下焙烧18-20min,然后以9-11℃/min的降温速度降温至680-700℃,然后自然恢复至室温,得到陶粒;
所述制备陶粒中,硅藻土、煤矸石、矿渣、膨胀石墨、水的重量比6-8:18-20:18-20:2-3:5-7。
所述制备包裹浆料,将莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精混合后进行球磨,控制球磨时的球料比为12-15:1,转速为300-320rpm,时间为25-30min,球磨结束得到包裹原料粉,将包裹原料粉与水加入搅拌机中,控制搅拌机的转速为60-80rpm,搅拌8-10min,得到包裹浆料;
所述制备包裹浆料中,莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精的重量比为20-23:4-6:5-6:13-15:2-3;
所述制备包裹浆料中,包裹原料粉与水的重量比为57-60:25。
所述包裹处理,将陶粒置于浸泡液中,于20-25℃下浸泡10-12min后,取出陶粒,置于-20℃至-15℃下冷冻处理20-22min,得到冷冻处理后的陶粒,然后将冷冻处理后的陶粒加入包裹浆料中,于20-25℃下浸泡8-10min,然后取出陶粒,置于60-65℃下干燥15-17min,100-110℃下干燥15-17min,60-65℃下干燥10-12min,100-110℃下干燥30-32min,得到轻质污水处理材料;
所述浸泡液的组成,按重量份计,由以下成分组成:4-6份羟甲基纤维素钠、5-7份纳米氧化硅、2-4份油酸钠、3-5份聚乙二醇400、1-1.5份氢氧化钠、0.2-0.4份碳酸氢钠、80-85份去离子水;
所述浸泡液的组成中,所述纳米氧化硅的粒径为10-20nm。
与现有技术相比,本发明的有益效果为:
(1)本发明的轻质污水处理材料的制备方法,通过将陶粒置于浸泡液中浸泡,然后进行冷冻处理,及在最后干燥阶段进行阶段化干燥,能够提高轻质污水处理材料的强度,降低表面密度,本发明制备的轻质污水处理材料的抗压强度为21.1-23.0MPa,破损率为1.13-1.26%,磨损率为0.67-0.75%,表观密度为843-852g/m3;
(2)本发明的轻质污水处理材料的制备方法,通过将陶粒置于浸泡液中浸泡,然后进行冷冻处理,及在最后干燥阶段进行阶段化干燥,能够提高轻质污水处理材料的耐酸碱能力,在25℃下,将本发明制备的轻质污水处理材料于20%氢氧化钠水溶液中浸泡1h后的重量损失率为0.07-0.13%;在25℃下,将本发明制备的轻质污水处理材料于20%盐酸水溶液中浸泡1h后的重量损失率为2.85-3.02%;
(3)本发明的轻质污水处理材料的制备方法,通过将陶粒置于浸泡液中浸泡,然后进行冷冻处理,及在最后干燥阶段进行阶段化干燥,能够避免陶粒在储存和运输中发生团聚,在25℃下,以200rpm的频率机械对本发明制备的轻质污水处理材料振荡1h,然后于25℃下静置5h后,不发生团聚现象;
(4)本发明的轻质污水处理材料的制备方法,通过将陶粒置于浸泡液中浸泡,然后进行冷冻处理,及在最后干燥阶段进行阶段化干燥,能够提高轻质污水处理材料在高温和低温下的污水处理效果,本发明制备的轻质污水处理材料在25℃下对磷酸根的去除率为98.82-99.34%,在45℃下对磷酸根的去除率为98.72-99.33%,在5℃下对磷酸根的去除率为96.84-98.75%;
(5)本发明的轻质污水处理材料的制备方法,通过将陶粒置于浸泡液中浸泡,然后进行冷冻处理,及在最后干燥阶段进行阶段化干燥,能够避免陶粒在使用中发生沉降,本发明制备的轻质污水处理材料,在25℃、45℃、5℃下使用时均不发生沉降。
具体实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解,现说明本发明的具体实施方式。
实施例1
一种轻质污水处理材料的制备方法,具体为:
1.制备陶粒:分别将硅藻土、煤矸石、矿渣、膨胀石墨粉碎至粒度为0.07mm后,得到粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨;然后将粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨加入搅拌机中,控制搅拌机的转速为40rpm,搅拌5min后,加入水,继续搅拌7min,得到混合原料;将混合原料加入造球机中进行造球,控制造球机的出料粒度为18mm,造球结束得到初级球料;将初级球料置于50℃下干燥1.5h,然后置于100℃下干燥1.5h,得到干燥后的初级球料;然后将干燥后的初级球料置于焙烧炉中,以8℃/min的升温速度升温至500℃,在500℃下焙烧25min,然后以11℃/min的升温速度升温至1250℃,在1250℃下焙烧18min,然后以9℃/min的降温速度降温至680℃,然后自然恢复至室温,得到陶粒;
其中,硅藻土、煤矸石、矿渣、膨胀石墨、水的重量比6:18:18:2:5。
2.制备包裹浆料:将莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精混合后进行球磨,控制球磨时的球料比为12:1,转速为300rpm,时间为25min,球磨结束得到包裹原料粉,将包裹原料粉与水加入搅拌机中,控制搅拌机的转速为60rpm,搅拌8min,得到包裹浆料;
其中,莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精的重量比为20:4:5:13:2;
其中,包裹原料粉与水的重量比为57:25。
3.包裹处理:将陶粒置于浸泡液中,于20℃下浸泡10min后,取出陶粒,置于-20℃下冷冻处理20min,得到冷冻处理后的陶粒,然后将冷冻处理后的陶粒加入包裹浆料中,于20℃下浸泡8min,然后取出陶粒,置于60℃下干燥15min,100℃下干燥15min,60℃下干燥10min,100℃下干燥30min,得到轻质污水处理材料;
所述浸泡液的组成,按重量份计,由以下成分组成:4份羟甲基纤维素钠、5份纳米氧化硅、2份油酸钠、3份聚乙二醇400、1份氢氧化钠、0.2份碳酸氢钠、80份去离子水;
所述纳米氧化硅的粒径为10nm。
实施例2
一种轻质污水处理材料的制备方法,具体为:
1.制备陶粒:分别将硅藻土、煤矸石、矿渣、膨胀石墨粉碎至粒度为0.08mm后,得到粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨;然后将粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨加入搅拌机中,控制搅拌机的转速为50rpm,搅拌6min后,加入水,继续搅拌7.5min,得到混合原料;将混合原料加入造球机中进行造球,控制造球机的出料粒度为20mm,造球结束得到初级球料;将初级球料置于52℃下干燥1.7h,然后置于102℃下干燥1.7h,得到干燥后的初级球料;然后将干燥后的初级球料置于焙烧炉中,以9℃/min的升温速度升温至510℃,在510℃下焙烧27min,然后以12℃/min的升温速度升温至1270℃,在1270℃下焙烧19min,然后以10℃/min的降温速度降温至690℃,然后自然恢复至室温,得到陶粒;
其中,硅藻土、煤矸石、矿渣、膨胀石墨、水的重量比7:19:19:2.5:6。
2.制备包裹浆料:将莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精混合后进行球磨,控制球磨时的球料比为13:1,转速为310rpm,时间为27min,球磨结束得到包裹原料粉,将包裹原料粉与水加入搅拌机中,控制搅拌机的转速为70rpm,搅拌9min,得到包裹浆料;
其中,莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精的重量比为22:5:5.5:14:2.5;
其中,包裹原料粉与水的重量比为58:25。
3.包裹处理:将陶粒置于浸泡液中,于22℃下浸泡11min后,取出陶粒,置于-17℃下冷冻处理21min,得到冷冻处理后的陶粒,然后将冷冻处理后的陶粒加入包裹浆料中,于22℃下浸泡9min,然后取出陶粒,置于62℃下干燥16min,105℃下干燥16min,62℃下干燥11min,105℃下干燥31min,得到轻质污水处理材料;
所述浸泡液的组成,按重量份计,由以下成分组成:5份羟甲基纤维素钠、6份纳米氧化硅、3份油酸钠、4份聚乙二醇400、1.2份氢氧化钠、0.3份碳酸氢钠、82份去离子水;
所述纳米氧化硅的粒径为15nm。
实施例3
一种轻质污水处理材料的制备方法,具体为:
1.制备陶粒:分别将硅藻土、煤矸石、矿渣、膨胀石墨粉碎至粒度为0.09mm后,得到粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨;然后将粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨加入搅拌机中,控制搅拌机的转速为60rpm,搅拌7min后,加入水,继续搅拌8min,得到混合原料;将混合原料加入造球机中进行造球,控制造球机的出料粒度为22mm,造球结束得到初级球料;将初级球料置于55℃下干燥2h,然后置于105℃下干燥2h,得到干燥后的初级球料;然后将干燥后的初级球料置于焙烧炉中,以10℃/min的升温速度升温至520℃,在520℃下焙烧30min,然后以13℃/min的升温速度升温至1300℃,在1300℃下焙烧20min,然后以11℃/min的降温速度降温至700℃,然后自然恢复至室温,得到陶粒;
其中,硅藻土、煤矸石、矿渣、膨胀石墨、水的重量比8:20:20:3:7。
2.制备包裹浆料:将莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精混合后进行球磨,控制球磨时的球料比为15:1,转速为320rpm,时间为30min,球磨结束得到包裹原料粉,将包裹原料粉与水加入搅拌机中,控制搅拌机的转速为80rpm,搅拌10min,得到包裹浆料;
其中,莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精的重量比为23:6:6:15:3;
其中,包裹原料粉与水的重量比为60:25。
3.包裹处理:将陶粒置于浸泡液中,于25℃下浸泡12min后,取出陶粒,置于-15℃下冷冻处理22min,得到冷冻处理后的陶粒,然后将冷冻处理后的陶粒加入包裹浆料中,于25℃下浸泡10min,然后取出陶粒,置于65℃下干燥17min,110℃下干燥17min,65℃下干燥12min,110℃下干燥32min,得到轻质污水处理材料;
所述浸泡液的组成,按重量份计,由以下成分组成:6份羟甲基纤维素钠、7份纳米氧化硅、4份油酸钠、5份聚乙二醇400、1.5份氢氧化钠、0.4份碳酸氢钠、85份去离子水;
所述纳米氧化硅的粒径为20nm。
对比例1
采用实施例1所述的轻质污水处理材料的制备方法,其不同之处在于:第3步包裹处理中省略将陶粒置于浸泡液中浸泡步骤,即将第3步包裹处理改为:
将陶粒置于-20℃下冷冻处理20min,得到冷冻处理后的陶粒,然后将冷冻处理后的陶粒加入包裹浆料中,于20℃下浸泡8min,然后取出陶粒,置于60℃下干燥15min,100℃下干燥15min,60℃下干燥10min,100℃下干燥30min,得到轻质污水处理材料。
对比例2
采用实施例1所述的轻质污水处理材料的制备方法,其不同之处在于:第3步包裹处理中省略将在浸泡液中浸泡后的陶粒置于-20℃下冷冻处理20min步骤,以及将干燥步骤改为在100℃下干燥70min,即将第3步包裹处理改为:
将陶粒置于浸泡液中,于20℃下浸泡10min后,取出陶粒,加入包裹浆料中,于20℃下浸泡8min,然后取出陶粒,置于100℃下干燥70min,得到轻质污水处理材料;
所述浸泡液的组成,按重量份计,由以下成分组成:4份羟甲基纤维素钠、5份纳米氧化硅、2份油酸钠、3份聚乙二醇400、1份氢氧化钠、0.5份碳酸氢钠、80份去离子水;
所述纳米氧化硅的粒径为10nm。
试验例1
对实施例1-3和对比例1-2制备的轻质污水处理材料的抗压强度、破碎率、磨损率、表观密度进行测试,测试结果如下:
由上述结果可知,将陶粒置于浸泡液中浸泡,浸泡液中的纳米氧化硅能够对陶粒内部的空隙进行填充,羟甲基纤维素钠、油酸钠、聚乙二醇400、氢氧化钠起到了提高纳米氧化硅在水中的分散性的作用,填充纳米氧化硅能够提高陶粒的抗压强度,降低破损率和磨损率,但是会提高表观密度,而冷冻处理和分阶段干燥能够提高陶粒内部的孔隙率,从而降低表观密度,但是会影响陶粒的抗压强度、破损率和磨损率,将陶粒置于浸泡液中浸泡后进行冷冻处理,最后干燥阶段进行阶段化干燥,能够在提高抗压强度,降低破损率,磨损率的同时,降低陶粒的表观密度。
试验例2
将实施例1-3和对比例1-2制备的轻质污水处理材料的耐酸碱性进行测试,测试方法及结果如下:
分别取实施例1-3和对比例1-2制备的轻质污水处理材料各200g,浸泡入20%氢氧化钠水溶液中,在25℃下浸泡1h后取出,用去离子水清洗3遍后,烘干,分别称量重量,作为碱处理后的重量,然后计算碱处理后的重量损失率,计算方式及计算结果如下:
碱处理后的重量损失率=(200-碱处理后的重量)/200*100%
分别取实施例1-3和对比例1-2制备的轻质污水处理材料各200g,浸泡入20%盐酸水溶液中,在25℃下浸泡1h后取出,用去离子水清洗3遍后,烘干,分别称量重量,作为酸处理后的重量,然后计算酸处理后的重量损失率,计算方式及计算结果如下:
酸处理后的重量损失率=(200-酸处理后的重量)/200*100%
由上述结果可以看出,将陶粒置于浸泡液中浸泡,并冷冻干燥后,能够对陶粒的表面进行改性,从而提高陶粒的耐酸碱能力。
试验例3
分别取实施例1-3和对比例1-2制备的轻质污水处理材料各500g,然后分别进行机械振荡,控制机械振荡时的温度为25℃,频率为200rpm,时间为1h,机械振荡结束,于25℃下静置5h,然后记录团聚现象,记录结果如下:
由上述结果可以看出,将陶粒置于浸泡液中浸泡,并冷冻干燥后,能够对陶粒的表面进行改性,从而避免制备的轻质污水处理材料在储存和运输中发生团聚。
试验例4
分别取实施例1-3和对比例1-2制备的轻质污水处理材料各2g,编号1-5号轻质污水处理材料,然后取5个250mL锥形瓶,标号1-5号锥形瓶,每个锥形瓶中装入200mL磷溶液,控制磷溶液中磷酸根的初始浓度为20mg/L;然后分别将1-5号轻质污水处理材料加入1-5号锥形瓶中,然后在25℃下恒温振荡吸附,吸附5h后,记录是否轻质污水处理材料存在沉降现象,然后过滤取滤液,分别测量1-5号锥形瓶中磷酸根的残余浓度,并计算磷酸根的去除率,计算公式及记录、计算结果如下:
磷酸根的去除率=(磷酸根的初始浓度-磷酸根的残余浓度)/磷酸根的初始浓度*100%
试验例5
分别取实施例1-3和对比例1-2制备的轻质污水处理材料各2g,编号1-5号轻质污水处理材料,然后取5个250mL锥形瓶,标号1-5号锥形瓶,每个锥形瓶中装入200mL磷溶液,控制磷溶液中磷酸根的初始浓度为20mg/L;然后分别将1-5号轻质污水处理材料加入1-5号锥形瓶中,然后在45℃下恒温振荡吸附,吸附5h后,记录是否轻质污水处理材料存在沉降现象,然后过滤取滤液,分别测量1-5号锥形瓶中磷酸根的残余浓度,并计算磷酸根的去除率,计算公式及记录、计算结果如下:
磷酸根的去除率=(磷酸根的初始浓度-磷酸根的残余浓度)/磷酸根的初始浓度*100%
试验例6
分别取实施例1-3和对比例1-2制备的轻质污水处理材料各2g,编号1-5号轻质污水处理材料,然后取5个250mL锥形瓶,标号1-5号锥形瓶,每个锥形瓶中装入200mL磷溶液,控制磷溶液中磷酸根的初始浓度为20mg/L;然后分别将1-5号轻质污水处理材料加入1-5号锥形瓶中,然后在5℃下恒温振荡吸附,吸附5h后,记录是否轻质污水处理材料存在沉降现象,然后过滤取滤液,分别测量1-5号锥形瓶中磷酸根的残余浓度,并计算磷酸根的去除率,计算公式及记录、计算结果如下:
磷酸根的去除率=(磷酸根的初始浓度-磷酸根的残余浓度)/磷酸根的初始浓度*100%
由试验例4-6可以看出,将陶粒置于浸泡液中浸泡,浸泡液中的纳米氧化硅能够对陶粒内部的空隙进行填充,从而增加了陶粒的表面积,提高了吸附效果,但是仅仅通过在浸泡液中浸泡,填充的纳米氧化硅存在流失,并不能实现对吸附能力的大幅度提升,而且在高温下会加速纳米氧化硅的流失,低温下也会影响纳米氧化硅的吸附能力;在浸泡液中浸泡后再冷冻处理,能够更好地将纳米氧化硅固定于陶粒内部,还能够增加纳米氧化硅的吸附量,此外,在干燥过程中,进行阶段式干燥,还能够将纳米氧化硅与包裹浆料之间更好的复合,提高在低温下的吸附能力,而且浸泡液中含有的少量碳酸氢钠会存在陶粒内部,在阶段式干燥下,碳酸氢钠会缓慢分解,从而在保证陶粒内部结构不会受到破坏的同时,增加了吸附表面积,从而提高了吸附能力。
除非另有说明,本发明中所采用的百分数均为质量百分数。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种轻质污水处理材料的制备方法,其特征在于,由以下步骤组成:制备陶粒,制备包裹浆料,包裹处理;
所述制备包裹浆料,将莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精混合后进行球磨,球磨结束得到包裹原料粉,将包裹原料粉与水加入搅拌机中搅拌均匀,得到包裹浆料;
所述包裹处理,将由制备陶粒步骤中制得的陶粒置于浸泡液中浸泡后,取出陶粒,置于-20℃至-15℃下冷冻处理20-22min,得到冷冻处理后的陶粒,然后将冷冻处理后的陶粒加入包裹浆料中浸泡,然后取出陶粒,置于60-65℃下干燥15-17min,100-110℃下干燥15-17min,60-65℃下干燥10-12min,100-110℃下干燥30-32min,得到轻质污水处理材料;
所述浸泡液的组成,按重量份计,由以下成分组成:4-6份羟甲基纤维素钠、5-7份纳米氧化硅、2-4份油酸钠、3-5份聚乙二醇400、1-1.5份氢氧化钠、0.2-0.4份碳酸氢钠、80-85份去离子水。
2.根据权利要求1所述的轻质污水处理材料的制备方法,其特征在于,所述制备陶粒,分别将硅藻土、煤矸石、矿渣、膨胀石墨粉碎至粒度为0.07-0.09mm后,得到粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨;然后将粉碎后的硅藻土、粉碎后的煤矸石、粉碎后的矿渣、粉碎后的膨胀石墨加入搅拌机中,搅拌均匀后,加入水,继续搅拌均匀,得到混合原料;将混合原料加入造球机中进行造球,造球结束得到初级球料;将初级球料进行干燥,得到干燥后的初级球料;然后将干燥后的初级球料置于焙烧炉中,以8-10℃/min的升温速度升温至500-520℃,在500-520℃下焙烧25-30min,然后以11-13℃/min的升温速度升温至1250-1300℃,在1250-1300℃下焙烧18-20min,然后以9-11℃/min的降温速度降温至680-700℃,然后自然恢复至室温,得到陶粒。
3.根据权利要求2所述的轻质污水处理材料的制备方法,其特征在于,所述制备陶粒中,硅藻土、煤矸石、矿渣、膨胀石墨、水的重量比6-8:18-20:18-20:2-3:5-7。
4.根据权利要求1所述的轻质污水处理材料的制备方法,其特征在于,所述制备包裹浆料中,莫来粉、粘土、聚乙烯醇、凹凸棒土、γ-环糊精的重量比为20-23:4-6:5-6:13-15:2-3。
5.根据权利要求1所述的轻质污水处理材料的制备方法,其特征在于,所述制备包裹浆料中,包裹原料粉与水的重量比为57-60:25。
6.根据权利要求1所述的轻质污水处理材料的制备方法,其特征在于,所述制备包裹浆料中,球磨时的球料比为12-15:1,转速为300-320rpm,时间为25-30min。
7.根据权利要求1所述的轻质污水处理材料的制备方法,其特征在于,所述浸泡液的组成中,所述纳米氧化硅的粒径为10-20nm。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211098615.3A CN115180972B (zh) | 2022-09-09 | 2022-09-09 | 一种轻质污水处理材料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211098615.3A CN115180972B (zh) | 2022-09-09 | 2022-09-09 | 一种轻质污水处理材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115180972A CN115180972A (zh) | 2022-10-14 |
CN115180972B true CN115180972B (zh) | 2022-11-22 |
Family
ID=83523911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211098615.3A Active CN115180972B (zh) | 2022-09-09 | 2022-09-09 | 一种轻质污水处理材料的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115180972B (zh) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105214602A (zh) * | 2015-11-09 | 2016-01-06 | 郭鹏峰 | 一种多孔吸油材料及其制备和再生方法 |
CN105481094A (zh) * | 2016-01-20 | 2016-04-13 | 无锡国联环保能源集团有限公司 | 一种用于污水处理的陶粒填料、生产方法及污水处理装置 |
CN106431474A (zh) * | 2016-09-24 | 2017-02-22 | 甘肃华晨生态治理有限公司 | 梅花形具有净化空气功能的硅藻土轻质通孔陶粒 |
CN106431263A (zh) * | 2016-09-24 | 2017-02-22 | 甘肃华晨生态治理有限公司 | 圆球形具有净化空气功能的硅藻土轻质通孔陶粒 |
CN107129317A (zh) * | 2017-05-14 | 2017-09-05 | 江苏常大绿恒环境工程有限公司 | 一种憎水性轻质陶粒的制备方法 |
CN109336717A (zh) * | 2018-11-16 | 2019-02-15 | 西北师范大学 | 一种多功能凹凸棒石基智慧陶粒材料的制备方法 |
CN110105084A (zh) * | 2018-02-01 | 2019-08-09 | 广东清大同科环保技术有限公司 | 一种具有保水功能的烧结陶粒及其制备方法 |
CN110698174A (zh) * | 2019-10-22 | 2020-01-17 | 苏州科技大学 | 一种轻质污泥陶粒、其制备方法及应用 |
AU2020102253A4 (en) * | 2020-09-15 | 2020-10-29 | Hunan No. 3 Engineering Co., Ltd. | Lightweight and high-strength ceramsite and preparation method thereof |
CN113735475A (zh) * | 2021-09-03 | 2021-12-03 | 天津水泥工业设计研究院有限公司 | 一种轻质陶粒及其制备方法 |
-
2022
- 2022-09-09 CN CN202211098615.3A patent/CN115180972B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105214602A (zh) * | 2015-11-09 | 2016-01-06 | 郭鹏峰 | 一种多孔吸油材料及其制备和再生方法 |
CN105481094A (zh) * | 2016-01-20 | 2016-04-13 | 无锡国联环保能源集团有限公司 | 一种用于污水处理的陶粒填料、生产方法及污水处理装置 |
CN106431474A (zh) * | 2016-09-24 | 2017-02-22 | 甘肃华晨生态治理有限公司 | 梅花形具有净化空气功能的硅藻土轻质通孔陶粒 |
CN106431263A (zh) * | 2016-09-24 | 2017-02-22 | 甘肃华晨生态治理有限公司 | 圆球形具有净化空气功能的硅藻土轻质通孔陶粒 |
CN107129317A (zh) * | 2017-05-14 | 2017-09-05 | 江苏常大绿恒环境工程有限公司 | 一种憎水性轻质陶粒的制备方法 |
CN110105084A (zh) * | 2018-02-01 | 2019-08-09 | 广东清大同科环保技术有限公司 | 一种具有保水功能的烧结陶粒及其制备方法 |
CN109336717A (zh) * | 2018-11-16 | 2019-02-15 | 西北师范大学 | 一种多功能凹凸棒石基智慧陶粒材料的制备方法 |
CN110698174A (zh) * | 2019-10-22 | 2020-01-17 | 苏州科技大学 | 一种轻质污泥陶粒、其制备方法及应用 |
AU2020102253A4 (en) * | 2020-09-15 | 2020-10-29 | Hunan No. 3 Engineering Co., Ltd. | Lightweight and high-strength ceramsite and preparation method thereof |
CN113735475A (zh) * | 2021-09-03 | 2021-12-03 | 天津水泥工业设计研究院有限公司 | 一种轻质陶粒及其制备方法 |
Non-Patent Citations (2)
Title |
---|
Development and evaluation of a low-cost ceramic filter for the removal of methyl orange, hexavalent chromium, and Escherichia coli from water;Nhamo Chaukura et.al;《Materials Chemistry and Physics》;20200405;122965-1-8 * |
城市污泥轻质滤料在水处理中的应用研究进展;薛侨 等;《应用化工》;20170731;1409-1413 * |
Also Published As
Publication number | Publication date |
---|---|
CN115180972A (zh) | 2022-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2019114532A1 (zh) | 一种复合改性秸秆活性颗粒炭吸附材料的制备方法及应用 | |
CN110922145B (zh) | 一种高强度碳化人造骨料的制备方法 | |
CN107459364B (zh) | 一种利用黄河淤泥和污泥做粘结剂制备的高强陶粒及其制备方法 | |
CN112209676B (zh) | 一种抗冻抗泛碱赤泥免烧砖及制备方法 | |
CN113912376A (zh) | 一种利用赤泥、粉煤灰、铁尾矿和电石渣固废加工的免烧陶粒及其制备方法和应用 | |
US11447699B2 (en) | Soil stabilization material based on solid waste and bioenzyme, and preparation method thereof | |
CN115594429A (zh) | 基于氨基碳酸化改性联合水泥固化飞灰建材化利用的方法 | |
CN115180972B (zh) | 一种轻质污水处理材料的制备方法 | |
CN114940593A (zh) | 一种轻质骨料及其制备方法以及含轻质骨料的混凝土 | |
CN113582602A (zh) | 一种利用混凝土搅拌车罐内残余混凝土制备的再生骨料 | |
CN109824309B (zh) | 一种利用地质聚合反应制备耐酸矿石团聚体的方法 | |
CN113231005A (zh) | 一种免烧制备多孔吸附材料的方法 | |
CN114835356B (zh) | 一种污泥基铁碳微电解生物填料的制备方法 | |
CN111992177B (zh) | 一种非热活化赤泥颗粒吸附剂及其制备方法 | |
CN114085054B (zh) | 一种利用多源固废制备功能型透水材料的方法 | |
CN112047667B (zh) | 一种汞污染土二硫化钼地质聚合物复合材料的制备方法及其应用 | |
CN114307946A (zh) | 一种改性铜矿尾矿渣及其制备方法和应用 | |
CN113337269A (zh) | 一种固废基烧结支撑剂节能提效制备方法 | |
CN116410015B (zh) | 一种高含盐量、高有机质涉海淤泥烧制陶粒的方法 | |
CN113388734A (zh) | 一种可强化球团粘结性处理废弃催化剂的方法 | |
CN113354331B (zh) | 定形相变材料、水稳层材料及其制备方法和应用 | |
CN115321866B (zh) | 一种抑制金尾矿砂重金属溢出的方法及应用金尾矿砂的混凝土 | |
CN116410015A (zh) | 一种高含盐量、高有机质涉海淤泥烧制陶粒的方法 | |
CN110681360A (zh) | 一种用于处理垃圾渗滤液的天然吸附剂的制备方法 | |
CN113772970B (zh) | 一种利用菱镁矿制备氧化镁的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |